private void validate(GroovyCodeSource codeSource) {
if (codeSource.getFile() == null) {
if (codeSource.getScriptText() == null) {
throw new IllegalArgumentException("Script text to compile cannot be null!");
}
}
}
/**
* Parses the given code source into a Java class. If there is a class file for the given code
* source, then no parsing is done, instead the cached class is returned.
*
* @param shouldCacheSource if true then the generated class will be stored in the source cache
* @return the main class defined in the given script
*/
public Class parseClass(GroovyCodeSource codeSource, boolean shouldCacheSource)
throws CompilationFailedException {
synchronized (sourceCache) {
Class answer = sourceCache.get(codeSource.getName());
if (answer != null) return answer;
answer = doParseClass(codeSource);
if (shouldCacheSource) sourceCache.put(codeSource.getName(), answer);
return answer;
}
}
/**
* Parses the given text into a Java class capable of being run
*
* @param text the text of the script/class to parse
* @param fileName the file name to use as the name of the class
* @return the main class defined in the given script
*/
public Class parseClass(final String text, final String fileName)
throws CompilationFailedException {
GroovyCodeSource gcs =
AccessController.doPrivileged(
new PrivilegedAction<GroovyCodeSource>() {
public GroovyCodeSource run() {
return new GroovyCodeSource(text, fileName, "/groovy/script");
}
});
gcs.setCachable(false);
return parseClass(gcs);
}
private Class doParseClass(GroovyCodeSource codeSource) {
validate(codeSource);
Class answer; // Was neither already loaded nor compiling, so compile and add to cache.
CompilationUnit unit = createCompilationUnit(config, codeSource.getCodeSource());
if (recompile != null && recompile || recompile == null && config.getRecompileGroovySource()) {
unit.addFirstPhaseOperation(
TimestampAdder.INSTANCE, CompilePhase.CLASS_GENERATION.getPhaseNumber());
}
SourceUnit su = null;
File file = codeSource.getFile();
if (file != null) {
su = unit.addSource(file);
} else {
URL url = codeSource.getURL();
if (url != null) {
su = unit.addSource(url);
} else {
su = unit.addSource(codeSource.getName(), codeSource.getScriptText());
}
}
ClassCollector collector = createCollector(unit, su);
unit.setClassgenCallback(collector);
int goalPhase = Phases.CLASS_GENERATION;
if (config != null && config.getTargetDirectory() != null) goalPhase = Phases.OUTPUT;
unit.compile(goalPhase);
answer = collector.generatedClass;
String mainClass = su.getAST().getMainClassName();
for (Object o : collector.getLoadedClasses()) {
Class clazz = (Class) o;
String clazzName = clazz.getName();
definePackage(clazzName);
setClassCacheEntry(clazz);
if (clazzName.equals(mainClass)) answer = clazz;
}
return answer;
}
public Class parseClass(GroovyCodeSource codeSource) throws CompilationFailedException {
return parseClass(codeSource, codeSource.isCachable());
}